Obs. : 2010-03-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.694e+11
Venus      3.753e+11
Earth      3.644e+11
Mars       3.718e+11
Jupiter    3.694e+11
Saturn     3.544e+11
Uranus     3.753e+11
Neptune    3.622e+11
Pluto      3.450e+11